{
    "type": "record",
    "name": "row",
    "fields": [
        {"name": "a_date", "type": { "type": "int", "logicalType": "date"}},
        {"name": "b_timestamp_millis", "type": { "type": "long", "logicalType": "timestamp-millis"}},
        {"name": "c_timestamp_micros", "type": { "type": "long", "logicalType": "timestamp-micros"}},
        {"name": "d_uuid", "type": { "type": "string", "logicalType": "uuid"}}
    ]
  }